Mix parameters design and crack resistance of Abrasion Resistant Concrete with fly ash and silica power

GAO Hao,ZENG Li

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China Rural Water and Hydropower ›› 2017 ›› (9) : 164-168.

Mix parameters design and crack resistance of Abrasion Resistant Concrete with fly ash and silica power

  • GAO Hao,ZENG Li
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Abstract

Little research has been done on the crack resistance of abrasion resistant concrete. Studies suggest that for high head and highspeed sediment-laden flow,the crack resistance of abrasion resistant concrete should be the principal indicators of durability. This paper designs a series of abrasion resistant concrete with different mixing ratios. using brittleness index and shrinkage rate are used to study the effect of fly ash and silicon powder on abrasion resistant concrete. The results show that doped 20% FA,20% FA + ( 5%,8%,10%) SF of cement binder slurry,brittleness index and shrinkage rate are small,hydration products account for most of C-S-H phases,paste compact,fully illustrate auxiliary cementing material optimization slurry structure,improve the transition region,so as to improve the crack resistance of abrasion resistant concrete.

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GAO Hao,ZENG Li. Mix parameters design and crack resistance of Abrasion Resistant Concrete with fly ash and silica power. China Rural Water and Hydropower. 2017, 0(9): 164-168

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